# ch04 The Book of Ruby - http://www.sapphiresteel.com

arr1 = ['h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd']
arr2 = arr1
arr3 = arr1.clone

arr1.reverse!
p(arr1)
p(arr2) # note arr2 is reversed
p(arr3) # but the cloned arr3 is not!
